Not compatible with multiprocess (e10s) Firefox Rated 1 out of 5 stars
Sorry for rating it 1 out of 5 but since the add on does not work at all, I cannot give it any other rating.
VBulletin incompatibility Rated 4 out of 5 stars
Firefox QuietURL add on conflicts with VBulletin even when QuietURL is temporarily disabled. As a result it makes Firefox download a JSON file instead of parsing it properly.
And it's no longer updated :(
Firefox 23 bug Rated 5 out of 5 stars
AutoURL doesn't work in F18 Rated 5 out of 5 stars
The AutoURL feature has stopped working in Firefox 18 beta 1:
Timestamp: 11/29/2012 06:44:57 AM
Error: TypeError: event.target is undefined
Source File: chrome:browser/content/utilityOverlay.js